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    <title>Using&nbsp;a&nbsp;Chart</title>
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      <h2 class="zTitleChapter"><a name="409832">Using&nbsp;a&nbsp;Chart</a></h2>
      <p class="b_Body"><a name="409836">A chart is a graphical representation of data or the relationships among sets of data. A chart displays complex data in an easy-to-assimilate format. Use the BIRT Report Designer chart builder to create a chart for a report. The chart builder facilitates selecting a chart type and sub-type, organizing the data into visual elements, and formatting the elements. Visual elements can include bars in a bar chart, points and trend lines in a line chart, and dials in a meter chart to name a few.</a></p>
      <p class="b_Body"><a name="359995">To create an effective chart, begin by deciding what data to display and then select the chart type that best presents that data. For example, to show the growth of a company’s business units over time, use a chart that tracks data along an axis, such as a line chart or a bar chart. To show scientific </a><span style="font-style: italic">X</span>-<span style="font-style: italic">Y</span> data, use a scatter chart. </p>
      <p class="b_Body"><a name="171440">This </a>section discusses the types and sub-types of charts available in the BIRT Report Designer, provides a tutorial in which you use the BIRT sample database, Classic Models, and includes a tour of the design interface. As you complete the tutorial, you learn the essential chart-building tasks.</p>
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